# OnCo record idea-bio1-rebiopsy-before-switch (idea). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/ideas/idea-bio1-rebiopsy-before-switch/>
  a schema:CreativeWork ;
  onco:kind "idea" ;
  schema:identifier "idea-bio1-rebiopsy-before-switch" ;
  schema:name "Re-test the metastasis, not the old primary, before every change of treatment"@en ;
  schema:description "Treatment is often chosen from a biopsy taken years earlier from the original tumour. The spread disease may now look different. Test it again before switching drugs."@en ;
  schema:url <https://onco.cc/ideas/idea-bio1-rebiopsy-before-switch/> ;
  schema:dateModified "2026-09-08"^^xsd:date ;
  schema:citation <https://doi.org/10.1056/NEJMoa1113205> ;
  onco:cancers <https://onco.cc/cancers/breast-hr-positive/>, <https://onco.cc/cancers/breast-her2-positive/>, <https://onco.cc/cancers/nsclc/> ;
  onco:technologies <https://onco.cc/technologies/liquid-biopsy/>, <https://onco.cc/technologies/histopathology-ihc/>, <https://onco.cc/technologies/cgp/> ;
  onco:terms <https://onco.cc/terms/her2-low/>, <https://onco.cc/terms/ihc/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-tumor-heterogeneity/>, <https://onco.cc/bottlenecks/b-resistance/> .